rsc-captcha

generate runescape classic sleep screen words. players would enter the generated word during the fatigue system to continue gaining experience.

install

$ npm install @2003scape/rsc-captcha

example

const Captcha = require('./src/index');
const captcha = new Captcha();
const fs = require('fs');

(async () => {
    await captcha.loadFonts();

    for (let i = 0; i < 10; i += 1) {
        const { word, image } = captcha.generate();

        if (process.browser) {
            document.body.appendChild(new Text(word));
            document.body.appendChild(image);
            document.body.appendChild(document.createElement('br'));
        } else {
            fs.writeFileSync(`${word}.png`, image.toBuffer());
        }
    }
})();

api

Captcha.toByteArray(canvas)

convert any canvas into a game client-compatible RLE byte array.

captcha = new Captcha(words?)

create a new captcha generator instance. words is an array of words to randomly select from (defaults to en-uk with lengths between 4-9).

async captcha.loadFonts()

load the main font image (font.png). run before generating captchas.

captcha.generate()

generate a word and captcha associated with it. returns:

{
    image: Canvas,
    word: String
}

captcha.getWord()

pick a random word from the dictionary.

captcha.generateImage(word)

create a Canvas with specified word.

license

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License along with this program. If not, see http://www.gnu.org/licenses/.